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thread hexagon bolt
Material:Stainless Steel, Steel
Standard:GB, DIN, ISO, DIN, ANSI, JIS, BS and Non-standard
Grade:4.8 / 5.8 /6.8 /8.8 /10.9 /12.9
Standard:GB, DIN, ISO, DIN, ANSI, JIS, BS and Non-standard
Grade:4.8 / 5.8 /6.8 /8.8 /10.9 /12.9